Full Idea
The sciences are sometimes said to be in the business of identifying and classifying powers; the mass of an electron, its spin and charge, could be regarded as powers possessed by the electron; science is silent on an electron's qualities.
Gist of Idea
Science is sometimes said to classify powers, neglecting qualities
Source
John Heil (From an Ontological Point of View [2003], 11.2)
Book Reference
Heil,John: 'From an Ontological Point of View' [OUP 2005], p.114
A Reaction
Heil raises the possibility that qualities are real, despite the silence of science; he wants colour to be a real quality. I like the simpler version of science. Qualities are the mental effects of powers; there exist substances, powers and effects.